5/16" (8mm) Ronstan Single, Tube Rivet Utility Block

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316 Stainless steel cheeks and UV stabilised Acetal sheaves ensure a long service life with virtually no maintenance.

Used for:

Vang, cunningham and trapeze retriever systems on dinghies

Leech line tackles, bunk adjusters etc on larger yachts

Reference Imperial Metric
Sheave Ø 1 1/8 in.
29 mm
Max. Rope Ø 5/16 in. 8 mm
M.W.L. 660 lb. 300 kg
B. L. 1980 lb. 900 kg
Weight 0.7 oz. 20 g
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